Comparison of Aroma Components of Special Zijuan and Daye Tea

The aroma components of Zijuan tea(Sun withering tea and evaporating green tea were made from the fresh leaves of Zijuan tea plants) and Daye tea(Sun withering tea and evaporating green tea were made from the fresh leaves of Yunkang No.10 tea plants) were studied.They were extracted respectively by distilling extraction,compared and analyzed by GC-MS.The results showed that: the volume and aroma components of Zijuan were more than that in Daye tea,Zijuan tea had 21 components that had not be detected from Daye tea:Cryptone;beta.-Sinensal;3-Acetoxy-1-oxacycloo-ctane;Cis-3-hexenyl lactate;5,9-Undecadien-2-one,6,10-dimethyl-,(E)-;cis-9-Methyl-decalin-1,8-dione;Nerolidol;1,5,9-Undecatriene,2,6,10-trimethyl-,(z)-;1-Iodo-2-methylundecane;2-Hexadecen-1-ol,3,7,11,15-tetramethyl-,[R-[R,R-(E)]]-;6-Nitro-cylohexade cane -1,3-dione;l-Limonene;1,2,3-Propanetriol;pentadecane;Hexadecane;Cyclopentaneacetic acid,3-oxo-2-(2-pentenyl)-,methyl ester,[1.alpha.,2.alpha;Anthracene;1,2-Benzenedicarboxylic acid,diundecyl ester;Z,Z4,15-Octadecadien-1-ol;Docosanoate;2H-Pyran,3,6-dihydro-4-methyl-2-(2-methyl-1-propenyl)-.The relationship between 21 endemic components and special aroma in Zijuan tea would be needed to further study.